1 files changed, 58 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/armv7/exynos/soc.c b/roms/u-boot/arch/arm/cpu/armv7/exynos/soc.c
new file mode 100644
index 00000000..8c7d7d89
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/exynos/soc.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2010 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/system.h>
+
+enum l2_cache_params {
+	CACHE_TAG_RAM_SETUP = (1 << 9),
+	CACHE_DATA_RAM_SETUP = (1 << 5),
+	CACHE_TAG_RAM_LATENCY = (2 << 6),
+	CACHE_DATA_RAM_LATENCY = (2 << 0)
+};
+
+void reset_cpu(ulong addr)
+{
+	writel(0x1, samsung_get_base_swreset());
+}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+}
+#endif
+
+#ifndef CONFIG_SYS_L2CACHE_OFF
+/*
+ * Set L2 cache parameters
+ */
+static void exynos5_set_l2cache_params(void)
+{
+	unsigned int val = 0;
+
+	asm volatile("mrc p15, 1, %0, c9, c0, 2\n" : "=r"(val));
+
+	val |= CACHE_TAG_RAM_SETUP |
+		CACHE_DATA_RAM_SETUP |
+		CACHE_TAG_RAM_LATENCY |
+		CACHE_DATA_RAM_LATENCY;
+
+	asm volatile("mcr p15, 1, %0, c9, c0, 2\n" : : "r"(val));
+}
+
+/*
+ * Sets L2 cache related parameters before enabling data cache
+ */
+void v7_outer_cache_enable(void)
+{
+	if (cpu_is_exynos5())
+		exynos5_set_l2cache_params();
+}
+#endif